.textTitle{
    color: crimson;
    font-family: SimSun, serif;
    font-weight: bold;
    font-size: 28px;
    text-align: center;
}

.textContent{
    color: black;
    font-family: "Microsoft YaHei UI", serif;
    font-weight: normal;
    font-size: 18px;
    text-indent: 2em;
}

.videoContent{
    width: 500px;
    height: 500px;
}

.pictureContent{
    width: 300px;
    height: 300px;
}
